I don't know some changes....

Wino.Mail/Dialogs/BaseAccountCreationDialog.cs

@@ -1,58 +0,0 @@
-
-using Wino.Core.Domain.Enums;
-using Wino.Core.Domain.Interfaces;
-
-#if NET8_0
-using Microsoft.UI.Xaml;
-using Microsoft.UI.Xaml.Controls;
-#else
-using Windows.UI.Xaml;
-using Windows.UI.Xaml.Controls;
-#endif
-namespace Wino.Dialogs
-{
-    public abstract class BaseAccountCreationDialog : ContentDialog, IAccountCreationDialog
-    {
-        public AccountCreationDialogState State
-        {
-            get { return (AccountCreationDialogState)GetValue(StateProperty); }
-            set { SetValue(StateProperty, value); }
-        }
-
-        public static readonly DependencyProperty StateProperty = DependencyProperty.Register(nameof(State), typeof(AccountCreationDialogState), typeof(BaseAccountCreationDialog), new PropertyMetadata(AccountCreationDialogState.Idle, OnStateChanged));
-
-        // Prevent users from dismissing it by ESC key.
-        private void DialogClosing(ContentDialog sender, ContentDialogClosingEventArgs args)
-        {
-            if (args.Result == ContentDialogResult.None)
-            {
-                args.Cancel = true;
-            }
-        }
-
-        public void ShowDialog()
-        {
-            _ = ShowAsync();
-        }
-
-        public void Complete()
-        {
-            State = AccountCreationDialogState.Completed;
-
-            // Unregister from closing event.
-            Closing -= DialogClosing;
-
-            Hide();
-        }
-
-        private static void OnStateChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
-        {
-            if (obj is BaseAccountCreationDialog dialog)
-            {
-                dialog.UpdateState();
-            }
-        }
-
-        public abstract void UpdateState();
-    }
-}